Which websites that I can find the stages growth of cactus plants?

Answer 1

Have a look at these sites:
http://www.dbg.org/sammy/growth.htm
http://www.kactus.com/tips.html#care
http://windowsillcactus.com/growinginfo.shtml
http://www.cactusweb.us/photoalbum1.html

Hope you can find the details you need.♥